Strut rod bushings for 1972 A-body
"The 73 and up strut rods have a shorter flange to flange length and require a thicker two piece strut rod bushing with a sleeve . 72 and back are one piece usually but two piece are available without the sleeve.
An easy way to tell what rods you have is the 73 up have a coarse thread in the front the 72 and back are fine thread in the front."
This why its important to have the set with the correct inner diameter / sleeve and stack up lengths.
It's old. Also, its true that offset UCA bushings are not usually needed for correct alignment. They are needed when you need exceed the factory range.
"The 73 and up strut rods have a shorter flange to flange length and require a thicker two piece strut rod bushing with a sleeve . 72 and back are one piece usually but two piece are available without the sleeve.
An easy way to tell what rods you have is the 73 up have a coarse thread in the front the 72 and back are fine thread in the front."
This why its important to have the set with the correct inner diameter / sleeve and stack up lengths.